10000013503 has 2 divisors, whose sum is σ = 10000013504. Its totient is φ = 10000013502.

The previous prime is 10000013497. The next prime is 10000013509. The reversal of 10000013503 is 30531000001.

It is a balanced prime because it is at equal distance from previous prime (10000013497) and next prime (10000013509).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000013503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000013509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000006751 + 5000006752.

It is an arithmetic number, because the mean of its divisors is an integer number (5000006752).

Almost surely, 2^10000013503 is an apocalyptic number.

10000013503 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000013503 is an equidigital number, since it uses as much as digits as its factorization.

10000013503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 13.

Adding to 10000013503 its reverse (30531000001), we get a palindrome (40531013504).

The spelling of 10000013503 in words is "ten billion, thirteen thousand, five hundred three".